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11384481 = 347263307
BaseRepresentation
bin101011011011…
…011010100001
3210102101120110
4223123122201
510403300411
61044001533
7165523623
oct53333241
923371513
1011384481
116476369
1239902a9
132487aa4
141724c13
15eed2a6
hexadb6a1

11384481 has 16 divisors (see below), whose sum is σ = 15611904. Its totient is φ = 7375824.

The previous prime is 11384473. The next prime is 11384497. The reversal of 11384481 is 18448311.

It is not a de Polignac number, because 11384481 - 23 = 11384473 is a prime.

It is a super-2 number, since 2×113844812 = 259212815278722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11384431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36930 + ... + 37236.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 211384481 is an apocalyptic number.

It is an amenable number.

11384481 is a deficient number, since it is larger than the sum of its proper divisors (4227423).

11384481 is a wasteful number, since it uses less digits than its factorization.

11384481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 3072, while the sum is 30.

The square root of 11384481 is about 3374.0896550033. The cubic root of 11384481 is about 224.9595384033.

The spelling of 11384481 in words is "eleven million, three hundred eighty-four thousand, four hundred eighty-one".

Divisors: 1 3 47 141 263 307 789 921 12361 14429 37083 43287 80741 242223 3794827 11384481